Bear the load bearing part of the surface for rolling the rolling track.
滚动轴承承受负荷部分的表面，用作滚动体的滚动轨道。
The improved method is simple to handle load on soil surface and calculate crack depth.
改进的库仑精确解算法对超载的处理及裂缝深度的计算简单；
The improved method is simple to handle load on soil surface and calculate crack depth.
改进的库仑精确解算法对超载的处理及裂缝深度的计算简单；
应用推荐